but in this case they say, banta was charging at officers with a kitchen life. police are still waiting for results of a toxicology report. >>> the world's top medical investors are in san francisco tonight at the 31st annual j.p. morgan health conference. new at 10:00, john fowler discovered how key trends are helping bay area biotechs. >> reporter: at the westin san francis past a small ernest protest some 2,000 savvy investors searching for the next breakthrough. >> we try to develop drugs for conditions where there is no existing therapy today. >> j.j. beenami is the nevado maker for rare children's diseases. he says that j.p. morgan chase is key for the business. a long wait for return has slowed biotech investing not palo alto he says he watches mega trends. >> number one, much better understanding of the human genode so you can target drugs. >> reporter: in keeping with that redwood city's genoma health announced that they can reduce cancer overtreatment. >> it's about saving money and individualizing care. what we're about is really stopping one size fit